13321455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{439}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 25935360

約数和(自身を除く): 12613905

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 289, 357, 439, 595, 867, 1317, 1445, 1785, 2023, 2195, 3073, 4335, 6069, 6585, 7463, 9219, 10115, 15365, 22389, 30345, 37315, 46095, 52241, 111945, 126871, 156723, 261205, 380613, 634355, 783615, 888097, 1903065, 2664291, 4440485, 13321455]

約数ペア:

[(1, 13321455), (3, 4440485), (5, 2664291), (7, 1903065), (15, 888097), (17, 783615), (21, 634355), (35, 380613), (51, 261205), (85, 156723), (105, 126871), (119, 111945), (255, 52241), (289, 46095), (357, 37315), (439, 30345), (595, 22389), (867, 15365), (1317, 10115), (1445, 9219), (1785, 7463), (2023, 6585), (2195, 6069), (3073, 4335)]